Citrus aurantifolia vs lime tree

Citrus aurantifolia and lime tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Citrus aurantifolia	Yes	No	No	No
lime tree	Yes	No	No	No

As nouns, Citrus aurantifolia and lime tree are synonyms defined as:

Citrus aurantifolia and lime tree: any of various related trees bearing limes

Other synonyms of Citrus aurantifolia include lime.

Citrus aurantifolia (noun)	lime tree (noun)
any of various related trees bearing limes	any of various related trees bearing limes
	any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber